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502658308 Air Dryer Valve for Liebherr Trucks

301.02.0040

Summary

This air dryer valve is designed for heavy commercial vehicle brake systems. It features a 24 V heater, M22x1,5 and M12x1,5 ports, and operates at 8,1 BAR pressure to ensure reliable moisture removal and system protection in Liebherr applications. Equivalent to OE Liebherr 502658308.

Product identifiers
EAN Code8699031075372
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Compatible OEM Codes

  • MAN
    • 81.52102-6081
    • 81.52102-6063
    • 81.52102-6062
    • 81.52102-6057
    • 81.52102-6029
    • 81.52102-6028
    • 81.52102-6027
  • WABCO
    • 432 410 200 0
  • NISSAN UD TRUCK
    • 475409X402
  • LIEBHERR
    • 502658308

Description

What does an air dryer valve do?

This air dryer valve plays a critical role in the pneumatic brake system by removing moisture and contaminants from compressed air. By preventing water buildup, it protects downstream components from corrosion and freezing, ensuring consistent braking performance for heavy commercial vehicles. This component is engineered using high-strength components to withstand rigorous operational cycles.

Compatible vehicles and engines

The unit is specifically designed to be compatible with Liebherr vehicles. This ensures that the air braking system maintains optimal pressure and cleanliness during operation in demanding environments. This part is an essential replacement for maintaining fleet safety and system longevity.

Installation and maintenance

For professional workshop technicians, this valve features a 24 V heater to prevent freezing in cold climates. The technical configuration includes M22x1,5 and M12x1,5 port sizes and is rated for 8,1 BAR pressure. Proper installation ensures the integrity of the air circuit and prevents leaks.

System reliability

Regular inspection of the air dryer assembly helps prevent moisture-related faults in the braking system. Maintaining these components ensures the reliability of the entire pneumatic circuit.

OE cross-reference

301.02.0040 (Air Dryer Valve Air Dryer Valves) is the equivalent of the Liebherr OE number. This part directly replaces Liebherr OE number 502658308.

Technical Specifications

Technical Specifications
Heater24 V
Port 1M22x1,5
Port 21M22x1,5
Pressure8,1 BAR
Port 22M12x1,5
Port 4/23-

Other OEMs

LIEBHERR

  • 502658308

MAN

  • 81521026081
  • 81521026063
  • 81521026062
  • 81521026057
  • 81521026029
  • 81521026028
  • 81521026027
  • 81.52102.6081
  • 81.52102.6063
  • 81.52102.6062
  • 81.52102.6057
  • 81.52102.6029
  • 81.52102.6028
  • 81.52102.6027
  • 81.52102-6081
  • 81.52102-6063
  • 81.52102-6062
  • 81.52102-6057
  • 81.52102-6029
  • 81.52102-6028
  • 81.52102-6027

NISSAN UD TRUCK

  • 475409X402

WABCO

  • 4324102000
  • 432.410.200.0
  • 432 410 200 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
LIEBHERR
MAN
NISSAN UD TRUCK
WABCO

FAQ

What is the function of this air dryer valve?
The valve removes moisture and contaminants from the compressed air within the brake system to prevent corrosion and freezing.
Is this part compatible with Liebherr vehicles?
Yes, this air dryer valve is designed to be compatible with Liebherr heavy commercial vehicle systems.
What are the electrical specifications for this component?
This specific model is equipped with a 24 V heater to ensure functionality in low-temperature conditions.
What port sizes are required for installation?
The unit features M22x1,5 and M12x1,5 port configurations to ensure correct integration into the pneumatic circuit.
What are the OE reference numbers of this part?
301.02.0040 directly replaces Liebherr OE number 502658308.